Unbeknown : অপ্রসিদ্ধ; অপরিজ্ঞাত;
Related Words
unbecoming  unbeknown  unbeknownst  See Words Also In
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Appropriate Prepositions
Beg for(অনুরোধ করা): Maria begged the Superintendent for a seat in the school hostel.
Desist from (বিরত থাকা): She desisted from making this.
Fantasize about (কল্পনা করা): They fantasized about winning the lottery.
Fed up with (বিরক্ত): He is fed up with waiting for her.
Noted for (বিখ্যাত): She is noted for dancing.
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Idioms
Bring to book (reproach-Start- ভর্ৎসনা করা) The father brought his son to book for his failure in the exam.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
Of course (অবশ্যই): Of course, you know what that meant.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.